why does my Tesla Model S have a hard steering when parked

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the ignition is turned off.
• Disconnect the 12V battery to prevent any electrical issues during the repair.

2. Inspect Power Steering System

• Sub-step 1: Locate the power steering fluid reservoir. Check the fluid level and condition.
  • Tools Required: None
• Sub-step 2: If the fluid is low, top it off with the manufacturer-recommended fluid.
• Sub-step 3: If fluid is contaminated or burnt, consider flushing the power steering system.

3. Test Power Steering Assist

• Sub-step 1: Reconnect the battery and start the vehicle.
• Sub-step 2: Turn the steering wheel back and forth; monitor for any changes in effort.
• Sub-step 3: If the steering remains hard, proceed to check for electrical issues.

4. Check Electrical Connections

• Sub-step 1: Inspect the wiring and connectors linked to the power steering module for corrosion or damage.
• Sub-step 2: Clean any corroded connections with electrical contact cleaner.
• Sub-step 3: Reconnect all wiring securely.

5. Replace Steering Rack (if necessary)

• Sub-step 1: If diagnostics indicate a failing steering rack, support the vehicle on jack stands.
• Sub-step 2: Remove the front wheels and disconnect the steering linkage from the rack.
• Sub-step 3: Drain any remaining power steering fluid and detach the steering rack.
• Sub-step 4: Install the new steering rack and reassemble the components in reverse order.
  • Torque values: Refer to the service manual for specific torque specifications.